/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Linq;
using System.Linq.Expressions;
using System.Web;
using Composite.Core.WebClient.Renderings.Page;
using Composite.Data;
using Composite.Data.Types;

namespace Composite.Community.Blog.MetaWeblog
{
    public static class Extensions
    {
        public static string GetPublicUrl(this IPage page)
        {
            return GetPagePublicUrl(page.Id);
        }

        public static string GetPublicUrl(this Entries entry)
        {
            return GetPagePublicUrl(entry.PageId) + BlogFacade.GetBlogUrl(entry.Date, entry.Title, entry.PageId);
        }

        public static string GetPagePublicUrl(Guid pageId)
        {
            string pageUrl = null;
            if (PageStructureInfo.TryGetPageUrl(pageId, out pageUrl))
            {
                return new Uri(HttpContext.Current.Request.Url, pageUrl).OriginalString;
            }
            return pageUrl;
        }
    }

    internal class UpdateDataWrapper<T> : IDisposable where T : class, IData
    {
        public UpdateDataWrapper(Expression<Func<T, bool>> predicate)
        {
            Data = DataFacade.GetData(predicate).Single();
        }

        public T Data { get; set; }

        public void Dispose()
        {
            if (Data != null) DataFacade.Update(Data);
        }
    }
}